diff options
Diffstat (limited to 'share/man/man9/prison_check.9')
| -rw-r--r-- | share/man/man9/prison_check.9 | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/share/man/man9/prison_check.9 b/share/man/man9/prison_check.9 index 4fe1f2f4eec4..7f174e3ceb2e 100644 --- a/share/man/man9/prison_check.9 +++ b/share/man/man9/prison_check.9 @@ -25,24 +25,23 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $FreeBSD$ -.\" -.Dd December 11, 2003 +.Dd August 18, 2023 .Dt PRISON_CHECK 9 .Os .Sh NAME .Nm prison_check -.Nd determine if two credentials belong to the same jail +.Nd determine if subjects may see entities according to jail restrictions .Sh SYNOPSIS .In sys/jail.h .Ft int .Fn prison_check "struct ucred *cred1" "struct ucred *cred2" .Sh DESCRIPTION -This function can be used to determine if the two credentials +This function determines if a subject with credentials .Fa cred1 -and +is denied access to subjects or objects with credentials .Fa cred2 -belong to the same jail. +according to the policy that a subject can see subjects or objects in its own +jail or any sub-jail of it. .Sh RETURN VALUES The .Fn prison_check @@ -50,12 +49,9 @@ function returns .Er ESRCH if -.Fa cred1 -has been jailed, and -.Fa cred1 -and .Fa cred2 -do not belong to the same jail. +is not in the same jail or a sub-jail of that of +.Fa cred1 . In all other cases, .Fn prison_check returns zero. |